In Unit 2: Ecology we will discuss how the earth is made up of living and non-living factors. We will also discuss how interactions between these living and non-living factors are essential for the environment to function properly. This unit revolves around two Big Ideas: Matter and Energy and Interdepndence in Nature. For a better explanation of these Big Ideas and all of the others that play a role in this course check out this link to the Pennsylvania Depart ment of Educations SAS portal.Choose Biology in the course drop down box at the bottom of the page and you will be introduced to all of the Big Ideas for Biology.
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